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DIN 6797 Black External Internal Lock Washers

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Product Description

DIN 6797 Black External Internal Lock Washers have a large load-bearing surface and can span oversized and elongated holes. Teeth on both sides allow the washers to also serve as inserts between the two adjustable pieces to maintain their position after original setting.

Combination Tooth Internal-External Lock Washers(ASME B18.21.12009)
Nominal Washer Size		A		B		C
		Inside Diameter (ID)		Outside Diameter*(OD)		Thickness (TH)
		Max	Min	Max	Min	Max	Min
4	0.112	0.123	0.115	0.475	0.460	0.021	0.016
6	0.138	0.150	0.141	0.510	0.495	0.028	0.023
8**	0.164	0.176	0.168	0.506	0.494	0.028	0.023
8	0.164	0.176	0.168	0.610	0.580	0.034	0.028
10	0.190	0.204	0.195	0.610	0.580	0.034	0.028
1/4	0.250	0.267	0.256	0.760	0.725	0.040	0.032
5/16	0.312	0.332	0.320	0.900	0.865	0.040	0.032
3/8	0.375	0.398	0.384	0.985	0.965	0.045	0.037
7/16	0.438	0.464	0.448	1.070	1.045	0.050	0.042
1/2	0.500	0.530	0.512	1.260	1.220	0.055	0.047
5/8	0.625	0.663	0.640	1.410	1.380	0.060	0.052